From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ch1outboundpool.messaging.microsoft.com (ch1ehsobe004.messaging.microsoft.com [216.32.181.184]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "MSIT Machine Auth CA 2" (not verified)) by ozlabs.org (Postfix) with ESMTPS id CAD732C00B9 for ; Tue, 23 Jul 2013 13:50:35 +1000 (EST) From: Haijun Zhang To: , Subject: [PATCH 1/2] Powerpc: Add voltage support in dts file Date: Tue, 23 Jul 2013 10:59:04 +0800 Message-ID: <1374548345-15017-1-git-send-email-Haijun.Zhang@freescale.com> MIME-Version: 1.0 Content-Type: text/plain Cc: r39252@freescale.com, AFLEMING@freescale.com, cbouatmailru@gmail.com, scottwood@freescale.com, cjb@laptop.org, Haijun Zhang List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , eSDHC of T4240 had 1.8v voltage support. Add this node to specify eSDHC voltage capacity. If this node not specified eSDHC driver still can read from eSDHC host capacity register. Signed-off-by: Haijun Zhang Signed-off-by: Anton Vorontsov --- changes for this patch set: - split from patch [PATCH 1/2] Powerpc: Add - voltage ranges support for T4 Documentation/devicetree/bindings/mmc/fsl-esdhc.txt | 3 +++ arch/powerpc/boot/dts/fsl/t4240si-post.dtsi | 1 + 2 files changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt index bd9be0b..f1ac253 100644 --- a/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt +++ b/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt @@ -19,6 +19,8 @@ Optional properties: "bus-width = <1>" property. - sdhci,auto-cmd12: specifies that a controller can only handle auto CMD12. + - 3300 3300: specifies that eSDHC controller can support voltages ranges + from 3300 to 3300. Example: @@ -29,4 +31,5 @@ sdhci@2e000 { interrupt-parent = <&ipic>; /* Filled in by U-Boot */ clock-frequency = <0>; + voltage-ranges = <3300 3300>; }; diff --git a/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi b/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi index bd611a9..567d0fb 100644 --- a/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi @@ -399,6 +399,7 @@ sdhc@114000 { compatible = "fsl,t4240-esdhc", "fsl,esdhc"; sdhci,auto-cmd12; + voltage-ranges = <1800 1800>; }; /include/ "qoriq-i2c-0.dtsi" /include/ "qoriq-i2c-1.dtsi" -- 1.8.0